<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="//at.alicdn.com/t/font_2662977_32e3a5xijr6.css">
    <style>
        .icon-5x{
            font-size: 40px;
            color: chartreuse;
        }
    </style>
</head>
<body>
    <i class="iconfont icon-wechat icon-5x"></i>
</body>
</html>